package com.yh.dp.principle.srp;

/**
 * @InterfaceName IConnectionManager
 * @Description 协议管理
 * @Author 0715-YuHao
 * @Date 2021/1/3 14:17
 */
public interface IConnectionManager extends IPhone {

    //拨通电话
    void dial(String phoneNumber);

    //通话完毕，挂断电话
    void hangUp();

}
